import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * Created with Intellij IDEA.
 * Description:
 * User: 33013
 * Date: 2023-10-26
 * Time: 20:02
 */
@WebServlet("/login")
public class Loginservlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        if(username == null || username.length() == 0 || password ==null || password.length() == 0){
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("请求参数不完整");
            return;
        }

        if(!(username.equals("zhangsan") && password.equals("123456"))){
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("密码或用户名错误");
            return;
        }

        HttpSession session = req.getSession(true);
        session.setAttribute("username", username);
        session.setAttribute("time", System.currentTimeMillis());
        resp.sendRedirect("Index");
    }
}
